On Mon, Nov 16, 2020 at 9:03 AM Tobias Kohn <[email protected]> wrote:
> Hi Mark, > > Thank you for your interest and the questions. > > > 1. This really comes down to how you look at it, or how you define > pattern matching. The issue here is that the concept of pattern matching > has grown into a large and somewhat diverse flock of interpretations and > implementations (as a side note: interestingly enough, some of the only > universally agreed-upon standards are to use `_` as a wildcard and not to > mark names that capture/bind values---which are quite exactly the points > most fiercely debatted here). > How many of those languages added pattern matching *later* and not at the earliest stages of the language (if not from the beginning)? And for those that added it later, how many of those didn't already have a convention surrounding "_"? My suspicion is "not many" and "not many". π -Brett
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